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$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
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I2C Interface Expansion Module I2chub I2cadapter Board
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AITIAO 10Pcs PCF8575 IO Expander Board Module I2C To 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
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AITIAO 10Pcs PCF8575 IO Expander Board Module I2C To 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
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DEVMO 5PCS PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander IIC Bus Evaluation Development Module Compatible With AVR STM8 C8051F
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DEVMO 5PCS PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander IIC Bus Evaluation Development Module Compatible With AVR STM8 C8051F
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MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion
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MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion
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12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
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12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
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Hiletgo 2Pcs PCF8575 IO Expansion Board I2C IIC 16 IO Ports I/O Extension Shield 16 Bits Smbus I/O Ports
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Hiletgo 2Pcs PCF8575 IO Expansion Board I2C IIC 16 IO Ports I/O Extension Shield 16 Bits Smbus I/O Ports
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CH341A Programmer USB To UART IIC SPI I2C Convertor Parallel Port Onboard Operating Indicator Lamp Board Module
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CH341A Programmer USB To UART IIC SPI I2C Convertor Parallel Port Onboard Operating Indicator Lamp Board Module
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MCP23017 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial Interface Module
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MCP23017 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial Interface Module
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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PAMEENCOS 5Pcs PCF8574T I2C IIC Expansion Board Converter Module, Support LCD1602 LCD2004 Blue Backlight LCD Display Adapter Plate, With Integrated
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PAMEENCOS 5Pcs PCF8574T I2C IIC Expansion Board Converter Module, Support LCD1602 LCD2004 Blue Backlight LCD Display Adapter Plate, With Integrated
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CH341T 2 in 1 Module 3.3V 5V USB To I2C IIC UART USB To TTL Single-Chip Serial Port Downloader
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CH341T 2 in 1 Module 3.3V 5V USB To I2C IIC UART USB To TTL Single-Chip Serial Port Downloader
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10Pcs TCA9548A IIC Multi-Channel Expansion Module 8-Channel I2C Communication Development Board With Reset Function For Arduino
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10Pcs TCA9548A IIC Multi-Channel Expansion Module 8-Channel I2C Communication Development Board With Reset Function For Arduino
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KEYESTUDIO Microbit Sensor Breakout Board V2 I2C SPI Micro USB For BBC Micro:Bit
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KEYESTUDIO Microbit Sensor Breakout Board V2 I2C SPI Micro USB For BBC Micro:Bit
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16 Channels IO Extension Module With I2C Interface For MCP23017 Chip 5V 3.3V Compatible 100Khz 400Khz 1.7Mhz Support High Speed IC Interface
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16 Channels IO Extension Module With I2C Interface For MCP23017 Chip 5V 3.3V Compatible 100Khz 400Khz 1.7Mhz Support High Speed IC Interface
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Fainwan 5Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
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Fainwan 5Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
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5 Pcs 1602LCD Display IIC/I2C/TWI/SP I Serial Interface Board Module Port For Arduino
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5 Pcs 1602LCD Display IIC/I2C/TWI/SP I Serial Interface Board Module Port For Arduino
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I2C Smart I/O Expander And A/D Converter - Serial Wombat 4B - 4 Pack. Drive Servos, Switches, Quadrature Encoders, UART/I2C Bridge Over I2C Compatible
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I2C Smart I/O Expander And A/D Converter - Serial Wombat 4B - 4 Pack. Drive Servos, Switches, Quadrature Encoders, UART/I2C Bridge Over I2C Compatible
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$228.70
Arduino Pro Opta EXT A0602 [AFX00007] - Analog Expansion Module For Micro PLC | 6 Programmable Inputs, 2 Outputs, 4 PWM Channels | Iot & Automation
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$228.70
Arduino Pro Opta EXT A0602 [AFX00007] - Analog Expansion Module For Micro PLC | 6 Programmable Inputs, 2 Outputs, 4 PWM Channels | Iot & Automation
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1X Pro Micro Board 5V/16Mhz Module Board Type C Port For Arduino Leonardo
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1X Pro Micro Board 5V/16Mhz Module Board Type C Port For Arduino Leonardo
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Starry 4Pcs ADS1115 16 Bit 16 Byte 4 Channel I2C IIC Analog-To-Digital ADC PGA Converter Development Board With Programmable Gain Amplifier High
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Starry 4Pcs ADS1115 16 Bit 16 Byte 4 Channel I2C IIC Analog-To-Digital ADC PGA Converter Development Board With Programmable Gain Amplifier High
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I2c port Extender - controlling with Arduino
I2c port Extender - controlling with Arduino
Nov 11, 2017
arduino.cc
I2C second example using arduino to control port extender
I2C second example using arduino to control port extender
Nov 12, 2017
arduino.cc
IO Expander for ESP32, ESP8266, and Arduino
IO Expander for ESP32, ESP8266, and Arduino
Oct 1, 2020
instructables.com
NEW PRODUCT – MCP23017 – i2c 16 input/output port expander
NEW PRODUCT – MCP23017 – i2c 16 input/output port expander
Feb 28, 2012
adafruit.com
Arduino and Port Manipulation
Arduino and Port Manipulation
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instructables.com
How to Use I2c for Arduino to Arduino Communication
How to Use I2c for Arduino to Arduino Communication
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[Tronixstuff] MCP23017 | I2C Port | Help wanted
[Tronixstuff] MCP23017 | I2C Port | Help wanted
May 1, 2012
arduino.cc
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How to Connect I2C Lcd Display to Arduino Uno
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Tutorial: Maximising your Arduino’s I/O ports with MCP23017
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Control Up to 65,280 Relays with Your Arduino!
Feb 18, 2019
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Using the PCF8575 I2c I/o Expander to Read Inputs With Arduino
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PCF8575 (i2c 16 Pins Digital I/O Expander) Fast Easy Usage (Ardui…
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Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi u…
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PCF8574 i2c digital I/O expander: Arduino, esp8266 and esp32, basi…
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I2C COMMUNICATION USING ATMEGA16
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Connecting Arduino with multiple I2C devices
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I2C Part 1 - Using 2 Arduinos
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PCF8574 I2C GPIO Expander Tutorial
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Interface MCP23017 (Port Expander) With Arduino Uno
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#49 MORE PINS PLEASE! PCF8574 Arduino Pin Extender (Easy)
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Shop Arduino I2C Port Expander

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$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
Amazon.com
2
$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
Amazon.com
$17.99
AITIAO 10Pcs PCF8575 IO Expander Board Module I2C To 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
Amazon.com
$17.99
AITIAO 10Pcs PCF8575 IO Expander Board Module I2C To 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
Amazon.com
$12.99
DEVMO 5PCS PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander IIC Bus Evaluation Development Module Compatible With AVR STM8 C8051F
Amazon.com
6
$12.99
DEVMO 5PCS PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander IIC Bus Evaluation Development Module Compatible With AVR STM8 C8051F
Amazon.com
$11.00
MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion
Amazon.com
$11.00
MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion
Amazon.com
$14.99
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
Amazon.com
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$14.99
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
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Hiletgo 2Pcs PCF8575 IO Expansion Board I2C IIC 16 IO Ports I/O Extension Shield 16 Bits Smbus I/O Ports
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Hiletgo 2Pcs PCF8575 IO Expansion Board I2C IIC 16 IO Ports I/O Extension Shield 16 Bits Smbus I/O Ports
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$5.81
CH341A Programmer USB To UART IIC SPI I2C Convertor Parallel Port Onboard Operating Indicator Lamp Board Module
Amazon.com
$5.81
CH341A Programmer USB To UART IIC SPI I2C Convertor Parallel Port Onboard Operating Indicator Lamp Board Module
Amazon.com
$9.99
MCP23017 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial Interface Module
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2
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MCP23017 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial Interface Module
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$11.10
Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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$11.10
Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
Amazon.com
$8.49
PAMEENCOS 5Pcs PCF8574T I2C IIC Expansion Board Converter Module, Support LCD1602 LCD2004 Blue Backlight LCD Display Adapter Plate, With Integrated
Amazon.com
$8.49
PAMEENCOS 5Pcs PCF8574T I2C IIC Expansion Board Converter Module, Support LCD1602 LCD2004 Blue Backlight LCD Display Adapter Plate, With Integrated
Amazon.com
$6.10
CH341T 2 in 1 Module 3.3V 5V USB To I2C IIC UART USB To TTL Single-Chip Serial Port Downloader
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$6.10
CH341T 2 in 1 Module 3.3V 5V USB To I2C IIC UART USB To TTL Single-Chip Serial Port Downloader
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$10.99
10Pcs TCA9548A IIC Multi-Channel Expansion Module 8-Channel I2C Communication Development Board With Reset Function For Arduino
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10Pcs TCA9548A IIC Multi-Channel Expansion Module 8-Channel I2C Communication Development Board With Reset Function For Arduino
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$9.99
KEYESTUDIO Microbit Sensor Breakout Board V2 I2C SPI Micro USB For BBC Micro:Bit
Amazon.com
152
$9.99
KEYESTUDIO Microbit Sensor Breakout Board V2 I2C SPI Micro USB For BBC Micro:Bit
Amazon.com
$13.33
16 Channels IO Extension Module With I2C Interface For MCP23017 Chip 5V 3.3V Compatible 100Khz 400Khz 1.7Mhz Support High Speed IC Interface
Amazon.com
$13.33
16 Channels IO Extension Module With I2C Interface For MCP23017 Chip 5V 3.3V Compatible 100Khz 400Khz 1.7Mhz Support High Speed IC Interface
Amazon.com
$15.99
Fainwan 5Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
Amazon.com
$15.99
Fainwan 5Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
Amazon.com
$8.89
5 Pcs 1602LCD Display IIC/I2C/TWI/SP I Serial Interface Board Module Port For Arduino
Amazon.com
30
$8.89
5 Pcs 1602LCD Display IIC/I2C/TWI/SP I Serial Interface Board Module Port For Arduino
Amazon.com
$9.99
I2C Smart I/O Expander And A/D Converter - Serial Wombat 4B - 4 Pack. Drive Servos, Switches, Quadrature Encoders, UART/I2C Bridge Over I2C Compatible
Amazon.com
38
$9.99
I2C Smart I/O Expander And A/D Converter - Serial Wombat 4B - 4 Pack. Drive Servos, Switches, Quadrature Encoders, UART/I2C Bridge Over I2C Compatible
Amazon.com
$228.70
Arduino Pro Opta EXT A0602 [AFX00007] - Analog Expansion Module For Micro PLC | 6 Programmable Inputs, 2 Outputs, 4 PWM Channels | Iot & Automation
Amazon.com
1
Free shipping
$228.70
Arduino Pro Opta EXT A0602 [AFX00007] - Analog Expansion Module For Micro PLC | 6 Programmable Inputs, 2 Outputs, 4 PWM Channels | Iot & Automation
Amazon.com